diff --git a/[refs] b/[refs]
index 1992f40e469d..8605a6e128b1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cd88d030d41a9b0100fd5fee872024e6ebc8b276
+refs/heads/master: d07c9c10e5620c632aae9cac2b609033398f6139
diff --git a/trunk/drivers/block/drbd/drbd_receiver.c b/trunk/drivers/block/drbd/drbd_receiver.c
index 432fe8f6b5d2..e9354931eace 100644
--- a/trunk/drivers/block/drbd/drbd_receiver.c
+++ b/trunk/drivers/block/drbd/drbd_receiver.c
@@ -1237,6 +1237,7 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
 
 	data_size -= dgs;
 
+	ERR_IF(data_size == 0) return NULL;
 	ERR_IF(data_size &  0x1ff) return NULL;
 	ERR_IF(data_size >  DRBD_MAX_BIO_SIZE) return NULL;